Stealth take-down 5 enemies

Find a Treasure

Finish the Game on Normal Without Changing the Difficulty

Kill 50 Enemies with the SAS-12

Kill 10 Enemies with Grenades While Hanging

Kill 100 Enemies with Headshots

Kill 30 Enemies with Mk-NDI Grenades

Kill 50 Enemies with the Micro-9mm

Kill 20 Enemies with the Pistole

Defeat 50 Enemies with Hand-to-Hand Combat

Kill an Enemy While Playing as an Alternate Character Costume Other Than Drake

Kill 75 Enemies in a Row Without Dying

Defeat 20 Enemies with Hand-to-Hand Combat